public class Test_Student {
    public static void main(String[] args) {
        Student n1 = new Student("张三");
        Student n2 = new Student("李四");
        System.out.println("姓名:" + n1.name);
        System.out.println("姓名:" + n2.name);

        n2.Student();
        System.out.println("国籍:" + Student.nationality);
    }
}
